A/An ________ is an organized system of assumptions and principles that purports to explain a specified set of phenomena.
A) theory
B) hypothesis
C) operational definition
D) experiment

Question

Quizplus · Accepted Answer

A theory is an organized system of assumptions and principles that explains a set of phenomena. A hypothesis is a tentative explanation that is subject to testing through further research. An operational definition is a clear and specific definition of a variable in terms of the operations or procedures used to measure or manipulate it. An experiment is a controlled test of a hypothesis in which one or more variables are manipulated to observe their effect on a dependent variable.

A/An ________ Is an Organized System of Assumptions and Principles